Bicycle



FIG. 1 is a right side perspective view of the bicycle showing the present design;

FIG. 2 is a right side, rear perspective view of the bicycle of FIG. 1;

FIG. 3 is a left side, rear perspective view of the bicycle of FIG. 1;

FIG. 4 is a right side, front perspective view of the bicycle of FIG. 1, the left side, front perspective view being a mirror image thereof; and,

FIG. 5 is a top plan view of the bicycle of FIG. 1. 

CLAIM The ornamental design for a bicycle, as shown and described. 